Trace a train-control fault
When train-control equipment won't respond, compare meter readings with the wiring diagram to locate the electrical fault.
Career profile
Rail Signal and Track Switch Technician
Signal and track switch repairers keep rail signals, crossing gates and switch-moving gear working.
A fault can hide in the wiring or in a part that moves, and this job asks you to understand both.
A day in the life
Look over a switch mechanism
You inspect the mechanism that throws a track switch into position, working with hand tools and test equipment.
Tighten and test a crossing gate
Examine a crossing gate's wiring connections and moving parts, tighten loose bolts, then test whether it works.
Log the repair and flag repeats
Log the fix and parts in maintenance software, and flag recurring faults for whoever works on them next.
Quick facts
High school + job training
United States · 2025–2035
$92,460/year
United States · May 2025
1.8% growth
United States · 2025–2035
Quick orientation
Preparation, pay & outlook
Preparation
High school + job trainingA high school diploma or equivalent is the typical starting education; railroad training develops the signal skills.
Pay
$92,460/yearNational median for signal and track switch repairers, equivalent to $44.45 an hour.
Outlook
1.8% growthAbout 800 openings a year are projected nationally, including replacement openings.
Fit, tradeoffs & changing tools
You might like this if…
- You like tracing a problem through a diagram.
- You are willing to record small details after the hands-on work is finished.
Things to weigh
- Some railroad jobs require overnight callouts, weekend availability, and travel that disrupts home routines.
- Reaching equipment can mean kneeling, climbing, or working underground and in bad weather.
Where AI may help
Computer diagnostic tools help locate faults. Some transit systems are also replacing older signals with equipment that exchanges train-position information through communications networks.
What people still lead
You still test the physical equipment and decide what needs repair.
What we can’t predict yet
As systems change, the balance between tracing wiring faults and diagnosing networked equipment may shift. How much troubleshooting becomes automatic will depend on the system.
Pay in context
Earnings
The national figures cover signal and track switch repairers across employers; they are not starting-pay offers.
The median and national spread
In May 2025, median pay was $92,460 a year, or $44.45 an hour. The 10th-to-90th-percentile range was $62,610–$119,550 annually. Those percentiles describe wage differences, not career stages.
Check the training rate
Railroad wage schedules can set separate rates for apprentices and qualified maintainers. Ask which rate applies when you start.
Openings include replacements
Employment is projected to grow 1.8% from 2025 to 2035, with about 800 openings annually. Openings include replacing workers who leave the occupation, so they exceed the number of newly created jobs.
Getting started
Join a railroad signal apprenticeship
Paid
- What the route involves
- At Norfolk Southern, combine about 52 weeks of classroom and field training with written and practical assessments.
- What it can lead to
- Successful completion makes you eligible to bid for signal maintainer positions.
- What to check
- Applicants must be at least 18, have a diploma or equivalent and a driver's license, and meet screening requirements. A Class A commercial driver's license is required within 90 days of hire. Travel and relocation may be necessary.
Build electronics skills and repair experience
- What the route involves
- For Bay Area Rapid Transit (BART), earn an electronics associate degree or Certificate of Achievement in Electronics, then gain at least one year of relevant equipment-repair experience.
- What it can lead to
- This meets an education-and-experience route for train control electronic technician selection.
- What to check
- BART also accepts specified military or apprenticeship preparation, or additional experience instead of education. Driving, color-vision, physical and selection requirements still apply.
Choose between learning through railroad employment and bringing electronics preparation to a transit technician role.
After entry
Career paths
This starts where the entry routes leave off: early work, growing capability, and advancement or specialization. This path also has a credential or licensing boundary; see the requirements and limits.
Get dependable at routine checks
Learn the local equipment and make inspections, meter readings, and repair records consistently accurate.
Handle harder faults
Build skill in diagnosing hardware and software problems, including deciding when equipment needs shop repair.
Lead a maintenance shift
A next step in transit is train control foreworker: plan the shift's work, help technicians solve difficult faults, and review repairs. Technical experience and leadership ability matter.
Where you can work
Freight railroad territory
Work outdoors on signals and road crossings across a territory. Travel and on-call repairs can shape your week.
- Outdoors
- Field work
- Travel
- On call
- Safety-sensitive
Urban transit network
Maintain switches and equipment that sends routing instructions to trains, with control-center coordination. Work can alternate between shops and field locations on varied shifts.
- Indoors
- Field work
- Shift work
- Safety-sensitive
Try it
See whether the job clicks before you commit to the path.
Draw a pretend crossing-warning circuit on paper with a battery, switch, wires, and lamp. Mark one broken connection, then explain how you would narrow down its location. Notice whether tracing the fault interests you.
Stay safe: Keep this a paper exercise; never enter railroad property or touch railway equipment.
Sources
- O*NET OnLine. Signal and Track Switch Repairers, 49-9097.00. Accessed 2026-10-09.
- U.S. Bureau of Labor Statistics. May 2025 Occupational Employment and Wage Statistics, national estimates, SOC 49-9097. Accessed 2026-09-29.
- U.S. Bureau of Labor Statistics. Employment Projections Table 1.2, 2025–2035, SOC 49-9097. Accessed 2026-09-29.
- Norfolk Southern. 2027 Electrical Apprentice Signal Trainee, Harrisburg, requisition 40331. Accessed 2026-10-09.
- Bay Area Rapid Transit. Train Control Electronic Technician classification specification. Accessed 2026-10-09.
- Bay Area Rapid Transit. Train Control Electronic Technician, external recruitment 202500460. Accessed 2026-10-09.
- Bay Area Rapid Transit. How BART Works: A night with Train Control Electronic Techs. Accessed 2026-10-09.
- Bay Area Rapid Transit. Train Control Modernization. Accessed 2026-10-09.
- Bay Area Rapid Transit. Train Control Foreworker, recruitment 202500157. Accessed 2026-10-09.
- Federal Railroad Administration. 49 CFR Part 246—Certification of Signal Employees. Accessed 2026-10-09.